.root {
  width: 100%;
  background-color: #eee;
  /* position: fixed; */
  /* top: 45px; */
  z-index: 2;
}

.content {
  width: 100%;
  background-color: #eee;
  z-index: 3;
  position: absolute;
}

.mask {
  position: fixed;
  top: 0px;
  background-color: rgba(0, 0, 0, 0.3);
  width: 100%;
  height: 100%;
  z-index: 1;
}

.moreMask {
  z-index: 3;
  width: 20%;
}